The SMV1493-079LF from Skyworks Solutions is a Varactor Diode with Capacitance 19 pF@Vr=1 V, 11.2 pF@Vr=4 V, 7.1 pF@Vr=10 V, Forward Continous Currenrt 20 mA, Reverse Voltage 15 V, Operating Temperature -55 to 125 Degree C, Resistance 0.50 Ohms. Tags: Surface Mount. More details for SMV1493-079LF can be seen below.